唐山市永红桥钛铁厂生产的还原钛铁矿粉,是制作电焊条的新型材料。用碳还原焙烧钛铁矿制成矿粉,生产中粉尘浓度高达444.4毫克/米3,不仅危害工人健康,而且每年还损失约20多吨矿粉,价值2万余元。 为治理尘害和回收矿粉,去年我厂设计安装了一条密闭式流水作业线和水浴除尘设备,经 Tangshan City Yong Hongqiao ilmenite production of ilmenite powder, is the production of welding electrodes of new materials. The use of carbon reduction roasting ilmenite ore powder, the production of dust concentration as high as 444.4 mg / m 3, not only endanger the health of workers, but also each year about 20 tons of ore powder loss, worth 2 million yuan. In order to control the dust pollution and recovery of ore powder, last year, our factory designed and installed a closed flow line and water bath dust removal equipment,